[libav-devel] [PATCH 2/5] avutil: add AV_PIX_FMT_GRAY16A pixel format

[Vittorio Giovara]

---
Black and white gradients never looked better!
Vittorio

 doc/APIchanges      |  3 +++
 libavutil/pixdesc.c | 19 +++++++++++++++++++
 libavutil/pixfmt.h  |  5 +++++
 libavutil/version.h |  4 ++--
 4 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index 9535b88..64ba875 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -13,6 +13,9 @@ libavutil:     2013-12-xx
 
 API changes, most recent first:
 
+2014-07-xx - xxxxxxx - lavu 53.19.0 - pixfmt.h
+  Add AV_PIX_FMT_GRAY16A pixel format.
+
 2014-07-xx - xxxxxxx - lavu 53.18.0 - display.h
   Add av_display_matrix_flip() to flip the transformation matrix.
 
diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index 9683688..6fced3a 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -1344,6 +1344,24 @@ const AVPixFmtDescriptor 
av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         },
         .flags = AV_PIX_FMT_FLAG_ALPHA,
     },
+    [AV_PIX_FMT_GRAY16ALE] = {
+        .name = "gray16ale",
+        .nb_components = 2,
+        .comp = {
+            { 0, 3, 1, 0, 15 },        /* Y */
+            { 0, 3, 3, 0, 15 },        /* A */
+        },
+        .flags = AV_PIX_FMT_FLAG_ALPHA,
+    },
+    [AV_PIX_FMT_GRAY16ABE] = {
+        .name = "gray16abe",
+        .nb_components = 2,
+        .comp = {
+            { 0, 3, 1, 0, 15 },        /* Y */
+            { 0, 3, 3, 0, 15 },        /* A */
+        },
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_ALPHA,
+    },
     [AV_PIX_FMT_GBRP] = {
         .name = "gbrp",
         .nb_components = 3,
@@ -1633,6 +1651,7 @@ enum AVPixelFormat av_pix_fmt_swap_endianness(enum 
AVPixelFormat pix_fmt)
 
     switch (pix_fmt) {
     PIX_FMT_SWAP_ENDIANNESS(GRAY16);
+    PIX_FMT_SWAP_ENDIANNESS(GRAY16A);
     PIX_FMT_SWAP_ENDIANNESS(RGB48);
     PIX_FMT_SWAP_ENDIANNESS(RGB565);
     PIX_FMT_SWAP_ENDIANNESS(RGB555);
diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 0c9467e..eadc501 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -199,6 +199,10 @@ enum AVPixelFormat {
     AV_PIX_FMT_YVYU422,   ///< packed YUV 4:2:2, 16bpp, Y0 Cr Y1 Cb
 
     AV_PIX_FMT_VDA,          ///< HW acceleration through VDA, data[3] 
contains a CVPixelBufferRef
+
+    AV_PIX_FMT_GRAY16ABE, ///< 16bit gray, 16bit alpha (big-endian)
+    AV_PIX_FMT_GRAY16ALE, ///< 16bit gray, 16bit alpha (little-endian)
+
     AV_PIX_FMT_NB,        ///< number of pixel formats, DO NOT USE THIS if you 
want to link with shared libav* because the number of formats might differ 
between versions
 
 #if FF_API_PIX_FMT
@@ -228,6 +232,7 @@ enum AVPixelFormat {
 #define AV_PIX_FMT_BGR555 AV_PIX_FMT_NE(BGR555BE, BGR555LE)
 #define AV_PIX_FMT_BGR444 AV_PIX_FMT_NE(BGR444BE, BGR444LE)
 #define AV_PIX_FMT_BGRA64 AV_PIX_FMT_NE(BGRA64BE, BGRA64LE)
+#define AV_PIX_FMT_GRAY16A AV_PIX_FMT_NE(GRAY16ABE, GRAY16ALE)
 
 #define AV_PIX_FMT_YUV420P9  AV_PIX_FMT_NE(YUV420P9BE , YUV420P9LE)
 #define AV_PIX_FMT_YUV422P9  AV_PIX_FMT_NE(YUV422P9BE , YUV422P9LE)
diff --git a/libavutil/version.h b/libavutil/version.h
index 98f7037..e981948 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -54,8 +54,8 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR 53
-#define LIBAVUTIL_VERSION_MINOR 18
-#define LIBAVUTIL_VERSION_MICRO  1
+#define LIBAVUTIL_VERSION_MINOR 19
+#define LIBAVUTIL_VERSION_MICRO  0
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
                                                LIBAVUTIL_VERSION_MINOR, \
-- 
1.8.5.2 (Apple Git-48)

_______________________________________________
libav-devel mailing list
libav-devel@libav.org
https://lists.libav.org/mailman/listinfo/libav-devel